दुधाचा भाव 20% ने वाढल्यामुळे खप 15% कमी झाला तर; शेकडा नफा किंवा तोटा किती होईल? 1)2%नफा. 2)2%तोटा 3)२.५%नफा ४)२.५%तोटा
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Solution :-
Let us assume that,
- Initial price of milk = Rs.10x
- Initial consumption = 10y litre .
we know that,
- Price * consumption = Expenditure .
So,
→ Initial Expenditure = 10x * 10y = Rs.100xy.
now,
→ New price of milk = 120% of initial price = (120 * 10x)/100 = Rs.12x.
and,
→ New consumption = 85% of initial consumption = (80 * 10y)/100 = 8.5y litre .
then,
→ New Expenditure = New Price * New consumption = 12x * 8.5y = Rs.102xy
therefore,
→ Total Loss = New Expenditure - Initial Expenditure = 102xy - 100xy = Rs.2xy.
hence,
→ Loss % = (2 * 100) / 100xy = 2% (Option 2) (Ans.)
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